Wavelength - The distance from crest to crest, or trough to trough, of an electromagnetic or other wave. Wavelengths are related to frequency: The longer the wavelength, the lower the frequency.
Worldwide Reference System (WRS) - A global indexing scheme designed for the Landsat Program based on nominal scene centers defined by path and row coordinates.
U.S. Department of the Interior |
U.S. Geological Survey
